Maths practice for 12-year-olds - page 8 of 362
Number of problems found: 7228
- Train same direction
Find the time taken by a train 170 m long, running at the speed of 83 km/h, to cross another train 180 m running at the speed of 65 km/h in the same direction. - Mean and sum
If the arithmetic mean of 6 numbers is 45, what is the total sum of these numbers? - Older or younger
The age of a man after 15 years is 4 times the age of that man 15 years before. Find his present age. - A cake 2
Karen sliced a cake into 10 slices. She ate 2/10 of it and after some time she ate another 4/10 of it. How much of the cake did Karen eat? - Charlie 2
Charlie has $10 1/2; she went to the store and bought a chap-stick for $1.75. How much money does she have now? - Katy bought
Katy bought 4/5 kg of oranges, 2 1/2 kg of bananas, and 1 1/2 kg of apples every day. How many kilograms of fruit did she buy each day? - Walnuts 2
There are 6 2/3 pounds of walnuts in a container, which will be divided equally into containers that hold 1 1/2 pounds. How many containers will walnuts fill?
- Fraction operations
For items - fractions 1/6 - 1/9 perform the indicated operation/s. Write your answer in improper fractions, and it must be in the simplest form. - Summer vacation
Rekha spent 3/8 of her summer vacation in Delhi, 1/16 in Mumbai, and ¼ in Chennai. What fraction of her summer vacation did he spend in all? - NYC block
Bijan wants to go running during his family's vacation to New York City. To do so, he will run a neighborhood block 20 times. Bijan runs a total of 8 miles. The block has a length of 3/20 miles. Use the formula for the perimeter of the neighborhood block - Lara's sequence
Lara starts with a number less than 20. She divides it by 2 and adds 6. She then divides this result by 3. Her answer is 4.5. What number does she start with? - Bertha
Bertha went on a walk 5 times this week. Each time, she went 11/5 miles. How far did Bertha walk? - Multiply mixed
What is six-eighths times five? Your answer should be in mixed number form. Some hints: one and ten-thirtieths three and six-eighths six and four-sixths nine and three-fifths - Sugar 9
Joe has two containers of sugar. One container has 1 2/5 cups, and the other has 4 1/10 cups. If he uses 1 4/5 of sugar, how much does he have left? - A pattern
If I have a pattern that starts with 1, 4, 9, 16, 25... and so on, which of the following numbers would not appear?
- Saravanan
Saravanan's father bought 2 3/4 m, 2 1/2 m, and 1 1/4 m of cloth. What was the total length of the cloth he bought? - Negative mixed number 2 What is the product of 1 1/2 and -1 1/4? Enter your answer as a mixed number, in simplest form, in the box.
- Monthly expenses
John's monthly expenses are analyzed as follows: 1/8 for stationery, 1/3 for fuel, 1/6 for parking, and the rest for food. His total expenses are 4500. Calculate the rand value of the food expenses. - 13 times 1/3 times the sum of a number, and 2.6 is 4.9. What is the number? Enter your answer as a simplified mixed number in the box.
- Grapes 2
Grapes cost 2.17 USD/lb. A customer purchases 1 3/4 lb of grapes. How much did the customer pay for the grapes round to the nearest cent?
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
